Pith Number

pith:KFUBXYMA

pith:2017:KFUBXYMAZVZWAG2PT3KWAUPJUM

not attested not anchored not stored refs pending

Efficient Preconditioning for Noisy Separable NMFs by Successive Projection Based Low-Rank Approximations

Mirai Tanaka, Tomohiko Mizutani

arxiv:1710.00387 v1 · 2017-10-01 · cs.NA · stat.ML

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KFUBXYMAZVZWAG2PT3KWAUPJUM}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:16:19.381284Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51681be180cd73601b4f9ed56051e9a300a0420e592b95fa01fdc6606978c39b

Aliases

arxiv: 1710.00387 · arxiv_version: 1710.00387v1 · doi: 10.48550/arxiv.1710.00387 · pith_short_12: KFUBXYMAZVZW · pith_short_16: KFUBXYMAZVZWAG2P · pith_short_8: KFUBXYMA

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/KFUBXYMAZVZWAG2PT3KWAUPJUM \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 51681be180cd73601b4f9ed56051e9a300a0420e592b95fa01fdc6606978c39b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3044e47a2218b64dbb8d2b66129a6cffe64b20efdd6a79ce5fe560ff3d9e3813",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2017-10-01T18:20:57Z",
    "title_canon_sha256": "e2558c6f61f031ac4ee454448cbf9c2747d69130356f5baddf01770ec37f850b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.00387",
    "kind": "arxiv",
    "version": 1
  }
}